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Dicon CO-DI-9B review

£15.00 Typical price

Test score %

Reviewed

The Dicon CO-DI-9B Carbon Monoxide Alarm will last for seven years and comes with replaceable batteries. To find out whether you can rely on it to detect carbon monoxide and raise the alarm, we put it through a battery of tests using different concentrations of the poisonous invisible gas. Read on for our verdict on this Dicon carbon monoxide alarm.

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Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

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We have tested 28 carbon monoxide detectors and found that there are 11 Don't Buys and 17 Best Buys.
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Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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